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4MA1/1F Jun 2021, Question 4: Expand and Simplify

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 4 marks

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The question, in short

Simplify two algebraic expressions involving multiplication and addition, then solve two simple equations for g and h.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 1 mark

Simplify the product 3 × 10d.

  1. 13 × 10d = 30d

Answer30d

Part (b) · 1 mark

Simplify 8e + e − 5e by collecting like terms.

  1. 18e + e − 5e = 9e − 5e = 4e

Answer4e

Part (c) · 1 mark

Solve 6g = 42 to find g.

  1. 16g = 42
  2. 2g = 42 ÷ 6
  3. 3g = 7

Answer7

Part (d) · 1 mark

Solve 24 = 10 + h to find h.

  1. 124 = 10 + h
  2. 2h = 24 − 10
  3. 3h = 14

Answer14

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